The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 09, 2014

Filed:

Nov. 17, 2010
Applicants:

Shirou Fujimura, Miyoshi, JP;

Takuma Watanabe, Anjo, JP;

Inventors:

Shirou Fujimura, Miyoshi, JP;

Takuma Watanabe, Anjo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01); B21D 22/00 (2006.01); H01M 8/02 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
H01M 8/026 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/50 (2013.01);
Abstract

A separator for a fuel cell is provided and may include a plurality of linearly extending protrusions and a plurality of flat walls alternately arranged with the plurality of linearly extending protrusions. Each protrusion is defined by a top wall and a pair of side walls and the linearly extending protrusions are parallel to each other. In addition, a gas passage forming groove is defined between each adjacent pair of linearly extending protrusions, a belt-like groove is provided on an inner surface of each flat wall that faces the corresponding gas passage forming groove, and an inclination angle is set with respect to each flat wall and corresponding side walls.


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